Varicose Veins and Deep Vein Thrombosis

deep vein thrombosis varicose veins dvt venous disorders venous hypertension modified perthe's test schwartz test fegan's test treatment of varicose veins endoablation technique sclerotherapy virchow's triad phlegmasia cerulea dolens phlegmasia alba dolens ivc filters thrombo-prophylaxis caprini risk assessment model surgical thrombectomy anticoagulation modified well's score